using System;
using System.Xml;

namespace Core.Demo7_ExtractAndOverwriteFactoryMethod
{
	public class LibrayMgntService
	{
		public LibrayMgntService(string xmlconfigFileName)
		{
			var fullFilePath = Environment.CurrentDirectory + xmlconfigFileName;

			var reader = new XmlDocument();
			reader.Load(fullFilePath);

			//read config value here
		}

		public void Issue(Book book) {}
		public void Return(Book book) {}


		//Extract Factory Method
	}

	public class Book
	{
	}

	
}